Sherwin-Williams is your single source of supply for water and wastewater coatings. With 3,900 service centers, manufacturing and distribution in 20 countries, the industry’s largest group of NACE-certified coatings inspectors, and dedicated corrosion specification specialists, your project team has our attention when and where you need it. Whether we’re coating a water storage tank, water conveyance piping or a municipal sewer collection system, our highly trained corrosion specification specialists will create a customized coating system formulated to protect your structures and equipment and ensure quick return to service. Since 1866, we have been making your business our business.